Hybrid Video Coding

Winter Term 2017/2018

(Main) Seminar: Hybrid Video Coding

Sarah Andris, Prof. Joachim Weickert

Winter Term 2017/2018

(Main) Seminar (2 h)

Notice for bachelor/master students of mathematics: This is a »Hauptseminar« in the sense of these study programs.

Prediction and correction with motion.


07/19/2017: Registration is open.
07/25/2017: Registration is closed.

Important DatesDescriptionRegistrationRequirementsIntroductory MeetingOverview of Topics

Introductory meeting (mandatory):
The introductory meeting will take place on Thursday, July 27, 2017, 2:15 p.m., in E1.7, Room 4.10.
In this meeting, we will assign the topics to the participants. Attendance is mandatory for all participants. Do not forget to register first (see below).

Regular meetings during the winter term 2017/2018:
Tuesday, 4:15 p.m., in Building E1.7, Room 4.10

Contents: Digital network traffic has been rising rapidly during the last decades and continues to increase. A large portion of this traffic is generated by video content making the efficient compression of videos a vital task.
Hybrid Video Coding (HVC) is a key concept in the field of video compression which relies on prediction and subsequent correction. It is deployed in practically all established coding standards such as HEVC and VP9.
In this seminar, we will discuss the main ideas behind HVC and their realisation in encoders and decoders. To this end, we will cover basic to state-of-the-art methods for the different modules and tasks within HVC.

Prerequisites: The seminar is for advanced bachelor or master students in Visual Computing, Mathematics, or Computer Science. Basic mathematical knowledge (e.g. Mathematik für Informatiker I-III) and some knowledge in image processing and computer vision is required.

Language: All papers are written in English, and English is the language of presentation.

The registration period is over.

Regular attendance: You must attend all seminar meetings, except for provable important reasons (medical certificate).

Talk: Talk duration is 30 min, plus 15 min for discussion . Please do not deviate from this time schedule.
You may give a presentation using a data projector, overhead projector or blackboard, or mix these media appropriately. Your presentation must be delivered in English. Your slides and your write-up, too, have to be in English.

Write-up: The write-up has to be handed in three weeks after the lecture period ends. The write-up should summarise your talk and has to consist of 5 pages per speaker. Electronic submission is preferred. File format for electronic submissions is PDF – text processor files (like .doc) are not acceptable. Do not forget to hand in your writeup: Participants who do not submit a writeup cannot obtain the certificate for the seminar.

Plagiarism: Adhere to the standards of scientific referencing and avoid plagiarism: Quotations and copied material (such as images) must be clearly marked as such, and a bibliography is required. Otherwise the seminar counts as failed.

Mandatory consultation: Talk preparation has to be presented to your seminar supervisor no later than one week before the talk is given. It is your responsibility to approach me timely and make your appointment.

No-shows: No-shows are unfair to your fellow students: Some talks are based on previous talks, and your seminar place might have prevented the participation of another student. Thus, in case you do not appear to your scheduled talk (except for reasons beyond your control), we reserve the right to exclude you from future seminars of our group.

Participation in discussions: The discussions after the presentations are a vital part of this seminar. This means that the audience (i.e. all paricipants) poses questions and tries to find positive and negative aspects of the proposed idea. This participation is part of your final grade.

Being in time: To avoid disturbing or interrupting the speaker, all participants have to be in the seminar room in time. Participants that turn out to be regularly late must expect a negative influence on their grade.

Here are the slides from the introductory meeting. They contain important information for preparing a good talk.

No.   Date   Speaker Topic
1 07/11 Rolando Morales Suárez
Basics I: Context-Adaptive Arithmetic Coding
Book: D. R. Bull: Communicating Pictures, Chapter 7
Paper: D. Marpe, H. Schwarz, T. Wiegand: Context-Based Adaptive Binary Arithmetic Coding in H.264/AVC Video Compression Standard
2 07/11 Ashik Haydari
Basics II: Structure of Hybrid Video Coders
Book 1: D. R. Bull: Communicating Pictures, Chapter 9
Book 2: M. Wien: High Efficiency Video Coding, Chapter 2
Paper: G. J. Sullivan, J.-R. Ohm, W.-J. Han, T. Wiegand: Overview of the High Efficiency Video Coding (HEVC) Standard
3 14/11 Azamat Mukhamedov
Scene Change Detection: Overview
Paper: R. Lienhart: Reliable Transition Detection in Videos: A Survey and Practitioner's Guide
4 14/11 Niklas Kämper
Intra Prediction I: HEVC Intra prediction
Book 1: D. R. Bull: Communicating Pictures, Chapter 9
Book 2: M. Wien: High Efficiency Video Coding, Chapter 6
5 21/11 Edgar Tretschk
Intra Prediction II: Inpainting Methods
Paper: S. Doshkov, P. Ndjiki-Nya, H. Lakshman, M. Köppel, T. Wiegand: Towards Efficient Intra Prediction Based on Image Inpainting Methods
6 21/11 Sven Liefgen
Motion Estimation I: Block Matching
Book: D. R. Bull: Communicating Pictures, Chapter 8
Paper: C. Zhu, X. Lin, L.-P. Chau: Hexagon-Based Search Pattern for Fast Block Motion Estimation
7 28/11 Moustafa Abouelenein
Motion Estimation II: Multiple Frame Motion Estimation
Paper: T. Wiegand, X. Zhang, B. Girod: Long-Term Memory Motion-Compensated Prediction
8 28/11 Tobias Alt
Motion Estimation III: Optical Flow
Paper: W. Chen, R. Mied: Optical Flow Estimation for Motion-Compensated Compression
9 05/12 Andrei Sirazitdinov
Residual Coding: Transform-based Coding
Book: D. R. Bull: Communicating Pictures, Chapter 5
10 12/12 Noshaba Cheema
Extensions I: Saliency Coding
Paper: C. Guo, L. Zhang: A Novel Multiresolution Spatiotemporal Saliency Detection Model and Its Applications in Image and Video Compression
11 12/12 Bakhtiar Ali Shah
Extensions II: PDE-based Video Compression
Paper: S. Andris, P. Peter, J. Weickert: A Proof-of-Concept Framework for PDE-based Video Compression
12 09/01 Ali Raees
In-loop Filtering: Adaptive Deblocking
Book: M. Wien: High Efficiency Video Coding, Chapter 9
Paper: P. List, A. Joch, J. Lainema, G. Bjontegaard, M. Karczewicz: Adaptive Deblocking Filter

  1. David R. Bull:
    Communicationg Pictures - A Course in Image and Video Coding.
    Academic Press, Oxford, United Kingdom, 2014.
  2. Mathias Wien:
    High Efficiency Video Coding - Coding Tools and Specification.
    Springer-Verlag, Berlin, Germany, 2015.

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